l10n: updated Slovak (sk)
l10n: updated Slovak (sk)

contributors:
  1000101
  Katarina Kasalova

updated from:
  repo: https://github.com/freedomofpress/securedrop-i18n
  revision: 392d36a6eccd8d96a15a23c73285a5c1b676fee4

conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop